#define _CRT_SECURE_NO_WARNINGS 1

int Add(int x, int y,int z)

{
	int M= 0;
M = x + y+z;
return M;


	
}

#include <stdio.h>

int main()
{
        int num1 = 0;
		int num2 = 0;
		int num3 = 0;
		int sum = 0;
		scanf("%d %d %d", &num1, &num2, &num3);
		sum = Add(num1, num2, num3);
		printf("%d\n",sum);

		return 0;
}



















